20200122002201 has 4 divisors (see below), whose sum is σ = 20200358432100. Its totient is φ = 20199885572304.

The previous prime is 20200122002183. The next prime is 20200122002227. The reversal of 20200122002201 is 10220022100202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13998522931600 + 6201599070601 = 3741460^2 + 2490301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200122002201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20200122002251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118086746 + ... + 118257683.

It is an arithmetic number, because the mean of its divisors is an integer number (5050089608025).

Almost surely, 2^{20200122002201} is an apocalyptic number.

It is an amenable number.

20200122002201 is a deficient number, since it is larger than the sum of its proper divisors (236429899).

20200122002201 is an equidigital number, since it uses as much as digits as its factorization.

20200122002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236429898.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20200122002201 its reverse (10220022100202), we get a palindrome (30420144102403).

The spelling of 20200122002201 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, two thousand, two hundred one".